Designed and built to remove and install the lockring that retains front chainrings found on Shimano STEPS e-bike motors.

– Fits Shimano STEPS E6100, E7000, E8000 and E9000 e-bike motor systems
– For lockrings with 54mm outside diameter and 16 notches
– Replacement for Shimano TL-FC39 tool
– 36mm hex drive to be used with Park Tool TWB-36 Crow Foot and a torque wrench to properly measure torque
– Constructed of 4140 heat-treated steel and plated for long life